CN104667635B - For removing the filter medium of organochlorine, filter element and preparation method in drinking water - Google Patents
For removing the filter medium of organochlorine, filter element and preparation method in drinking water Download PDFInfo
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Abstract
The invention provides a kind of preparation method of the filter medium for removing organochlorine in drinking water, comprises the following steps：A) ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent are mixed, obtains mixture, the weight ratio of the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent is 100～300:50～100:100～150:100～150:50～100；B) mixture obtained by step a) is suppressed in a mold, sinters, is cooled down.The present invention is under the synergism of above-mentioned raw materials, the filter medium for preparing is high to the clearance of organochlorine in water, method is simple, it is adaptable to the drinking water polluted by which, exempts the injury that element organochlorine is produced to human body, it is easy to use, low cost, additionally, due to filter element is used, is not powder body, so without the need for subsequent treatment, being adapted to home terminal drinking-water and processing.
Description
Technical field
The present invention relates to a kind of filter medium for removing organochlorine in drinking water and preparation method thereof, by the filter medium structure
Into filter element, water purifying plant and drinking Fountains.
Background technology
Organochlorine pesticide is for preventing and treating the organic compound containing organic chlorine element in the constituent of phytopathy, insect pest
Thing.It is broadly divided into two big class with benzene as raw material and with cyclopentadiene as raw material.Mainly include Gamma Hexaochlorocyclohexane, DDT, dieldrin, Chinese mugwort
Family name's agent, endrin, Perchlorobenzene, heptachlor, seven ammonia epoxies etc..China is the big country for producing and using, and is opened from the sixties in last century
Production begin to nineteen eighty-three stopping production.The sixties, the yield of Gamma Hexaochlorocyclohexane was 68310 tons；The seventies, yield was 171672 tons, and the eighties produces
241613 tons of amount,.
The source of water body Pesticides is mainly on the point-source pollution of insecticide factory, the water surface directly sprinkling, the loss of farmland pesticide
And air drift and Atmospheric precipitation etc..Such as organochlorine pesticide is from after disabling in 2008, organic in the topsoil of Suburb of Guangzhou
Chloro pesticide recall rate is 90.59%；The mouth of the Zhujiang River and Yangtze River Delta Region organochlorine from the nineties is also dramatically increased；Northeast pine
Hua Jiang basins dicofol at present with DDT as raw material is only disabled on vegetable, in grain, oil plant, Cotton Gossypii, sugar, fiber crops, cigarette
Still continuing to apply Deng crops.
Savings in organochlorine pesticide carrier is very surprising.After DDT enters human body, only about 1% with original shape state Jing
Urine ejection, absorbed DDT there are about 47%～65% and find in chyle quickly.DDT Jing livers conversions in the mammal body
DDE is generated, which can be put aside in vivo for a long time.Organochlorine pesticide can also be stored in the fatty tissue of fetus by Placenta Hominiss.Six
Six or six mainly accumulate in fatty tissue, are secondly kidney, blood, liver brain.Just because of organochlorine pesticide is accumulated in vivo, is difficult
It is decomposed or discharges external, necessarily leads to toxic hazard.Organochlorine is Dexedrine, the irritability meeting of nervus centraliss during poisoning
Substantially increase, main portions are in brain motor region and cerebellum.DDT can also cause senile dementia.
Traditional water treatment technology is bad to the treatment effect of organochlorine, it is impossible to effectively remove organochlorine；Bioanalysises and
Advanced oxidation processes are not suitable for terminal water process；Ion-exchange process is loaded down with trivial details, replaces the flushing water after saturation and is difficult to process；Reverse osmosis
, using trouble, water wasting expense electricity, high cost, the concentrated solution of discharge be not disposable, easily causes secondary pollution for method thoroughly；And the sedimentation method are same
Occur and process difficult problem.
The content of the invention
In view of this, present invention solves the technical problem that being to provide a kind of filter medium and preparation method thereof, the filtration is situated between
The clearance of the organochlorine in confrontation drinking water is high, and method is simple.Additionally provide be made up of this filter medium filter element,
Purifier and water dispenser.
The invention provides a kind of preparation method of the filter medium for removing organochlorine in drinking water, comprises the following steps：
A) ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent are mixed, is mixed
Compound, the weight ratio of the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent is 100～
300:50～100:100～150:100～150:50～100；
B) mixture obtained by step a) is suppressed in a mold, sinters, is cooled down.
Preferably, also including rectorite powder.
Preferably, the rectorite powder and the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, Vermiculitum
The weight ratio of powder and gas generation agent is 50～100:100～300:50～100:100～150:100～150:50～100.
Preferably, also including sepiolite powder.
Preferably, the sepiolite powder and the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, Vermiculitum
The weight ratio of powder and gas generation agent is 80～150:100～300:50～100:100～150:100～150:50～100.
The invention provides the preparation method according to the claims obtain it is organic in drinking water for removing
The filter medium of chlorine.
The invention provides a kind of filter element, the filter medium described in the claims is constituted.
The invention provides a kind of purifier, including the filter medium or aforesaid right described in the claims will
Seek described filter element.
The invention provides a kind of water dispenser, including the purifier described in the claims.
Compared with prior art, the invention provides a kind of preparation side of the filter medium for removing organochlorine in drinking water
Method, comprises the following steps：A) ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent are mixed
Close, obtain mixture, the weight of the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent
Than for 100～300:50～100:100～150:100～150:50～100；B) by the mixture obtained by step a) in a mold
Compacting, sintering, cooling., under the synergism of above-mentioned raw materials, the filter medium for preparing is to organochlorine in water for the present invention
Clearance is high, and method is simple, it is adaptable to the drinking water polluted by which, exempts the injury that element organochlorine is produced to human body, uses
Simplicity, low cost, additionally, due to filter element is used, is not powder body, so without the need for subsequent treatment, being adapted to home terminal drinking water place
Reason.After testing the filter medium to the average removal rate of organochlorine in drinking water more than 99.3%.
Specific embodiment
The invention provides a kind of preparation method of the filter medium for removing organochlorine in drinking water, comprises the following steps：
A) ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent are mixed, is mixed
Compound, the weight ratio of the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent is 100～
300:50～100:100～150:100～150:50～100；
B) mixture obtained by step a) is suppressed in a mold, sinters, is cooled down.
Ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent are mixed by the present invention first
Close, obtain mixture, the weight of the ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and gas generation agent
Than for 100～300:50～100:100～150:100～150:50～100；Preferably 130～280:60～90:110～
140:110～140:60～90；More preferably 150～250:75～85:120～130:115～135:75～85.
In the present invention, the weight average molecular weight of the ultra-high molecular weight polyethylene is preferably 1,000,000～7,000,000, more preferably
For 2,000,000～6,000,000, most preferably 2,500,000～4,000,000.Preferred particle diameter is 89 μm～104 μm.Ultra-high molecular weight polyethylene
Can obtain from domestic production producer, such as Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be can provide M-I types (molecular weight is
150 ± 50 ten thousand), M-II types (molecular weight is 250 ± 500,000), M-III types (molecular weight is 350 ± 500,000), M-IV type (molecular weight
It is the ten thousand) product of equal-specification more than 400.One effect of ultra-high molecular weight polyethylene bonds and forms filter medium skeleton
Effect, because the molecular weight of ultra-high molecular weight polyethylene is big, melt viscosity is very high, can not flow after melting, so utilizing
Ultra-high molecular weight polyethylene sinters the filter medium that obtains, easily forms micropore by compacting, can play organic in absorption water
The effect of chlorine.
In the present invention, activated carbon is a kind of porous material, with cellular pore structure, larger specific surface
Product, special surface functional group, stable process based prediction model, are excellent adsorbent, catalyst or catalyst carrier.Root
Activity made by wood activated charcoal, mineral raw material activated carbon and other raw materials is preferably divided into according to the different activities charcoal of raw material sources
Charcoal etc..Wherein, the wood activated charcoal preferably includes cocoanut active charcoal, Fructus Pruni shell activated carbon, wooden burgy；The mineral raw material
It is activated carbon made by raw material that activated carbon preferably includes various coals and oil and its processing product；Activated carbon made by other raw materials
Preferably include activated carbon made by scrap rubber, waste plastics.Present invention preferably uses with coconut husk material as the activated carbon in source, which is strong
The higher, absorption property of degree is good, more preferably with coconut husk material as the medical activated carbon in source.In the present invention, the activated carbon
Specific surface area be preferably not less than 500m2/ g, more desirably not less than 1000m2/g.Activated carbon can efficiently adsorb having in water
Machine thing, especially medical activated carbon, used as the product of used country's correlation drug surveilance standard, impurity content is low, and surface area is more
Greatly, adsorption effect is also more preferable, and can ensure that filter medium is directly used in the process of drinking water from medical activated carbon.
In the present invention, it is preferred to using the medical activated carbon that particle diameter is 74～84 μm.
Activated carbon described in preferred pair of the present invention is modified process, is specially done using hexadecyltrimethylammonium chloride and is changed
Property agent is modified process to activated carbon.Through modified activated carbon for organochlorine has preferable absorbability.
In the present invention, the attapulgite is monoclinic system, and its desirable chemical formula is Mg5(H20)4[Si4O10]2
(OH)2, chemical composition theoretical value MgO 23.83%, SiO256.96%th, H2O19.21%；Attapulgite in nature is normal
There is Al3+、Fe3+Deng isomorphous replacement, rich in Al3+、Fe3+Mutation is referred to as aluminum attapulgite and ferrum attapulgite.As Jiangsu Province looks up with eyes wide open
The aluminum attapulgite of a word used in place name county Dragon King's mountain products is referred to as MgO 12.10%, SiO258.38%th, Al2O39.5%th, CaO 0.4%,
TiO20.56%th, MnO 0.05%, Fe2O3+ FeO 5.26%, Na2O 1.1%, K2O 1.24%.As attapulgite is in structure
In similar to zeolite powder big passage, therefore with good absorption and decoloration performance, to organic and hydrogen sulfide for decomposing etc. all
There are good absorption property, absorption property and the SiO in mineral of attapulgite powder2Content it is relevant, content gets over high absorption capacity
It is stronger.
Attapulgite clay has chain layer structure, there are a series of crystal ducts in crystal structure, and specific surface area is big,
There is very strong physical absorption ability.Due to isomorphous replacement in crystal, there is crystal defect and room, carry attapulgite
Aspect negative charge, and by Inter layer adsorption cation so that charge balance.Due to crystal Inter layer adsorption cation have can
Commutativity.Attapulgite clay has stronger ion exchange absorption ability, and the absorption of heavy metal ion is mainly by upper
State adsorption mechanism and reach effect.The inventors discovered that, attapulgite powder has ion exchange absorption energy well to organochlorine
Power.
In the present invention, it is preferred to attapulgite powder through acid activation.The method of acid activation preferably includes sulfuric acid process, hydrochloric acid
Method, sulphuric acid-mixed in hydrochloric acid method.Present invention preferably uses the modified attapulgite powder of hydrochloric acid activation, more preferably request for utilization number is
90105849.1 Chinese invention patent application discloses a kind of acid soak activating process of attapulgite powder, including by fritter
0.5～100cm of the volume moon3Attapulgite silty clay soil raw ore, with the inorganic acid solution that concentration is 1～15wt% (such as sulphuric acid, salt
Acid solution etc.) soak 2～100 hours, filter extruding in flakes, activate 30～50 points with revolving drier at 280 DEG C～350 DEG C
Clock, the decolorizing ability for being ground into 50 μm～100 μm are 250 ± 5 active attapulgite stone powder.
In the present invention, it is preferred to, particle diameter of the attapulgite powder after acid activation process is 74 μm～104 μm, more excellent
Elect 80 μm～100 μm as.The attapulgite powder that acid activation is processed has bigger specific surface area, for outer surface absorption, colloid are inhaled
Various suction types such as its inner surfaces of pores absorption are echoed, absorbability is higher.
Vermiculitum is a kind of natural, nontoxic mineral, can be expanded under high temperature action.Vermiculite power is by primary mineral of vermiculite Jing high temperature
Roasting, screening, attrition process are powdered.The many pores of oil-containing in Vermiculitum powder particles, with very big specific surface area, have
Multiple use, can be used as construction material, fire-retardant insulating material etc..Inventor Jing creative research finds that vermiculite power is used to inhale
Organochlorine in attached drinking water has good effect.The particle diameter of the preferably Vermiculitum of the invention is 44～74 μm.
Gas generation agent of the present invention is that a class easily decomposes the material for producing a large amount of gases and causing hair engaging aperture effect, wherein azo
Class compound, sodium bicarbonate, ammonium hydrogen carbonate, ammonium carbonate, sulphonyl nitrile compounds, oxalic acid etc. are its typical representatives.As excellent
Choosing, gas generation agent is azodicarbonamide, food grade ammonium bicarbonate, at least one in oxalic acid.Wherein, food grade ammonium bicarbonate
Claim AMMONIUM BICARBONATE FOOD GRADE, distinguish with technical grade ammonium hydrogen carbonate.Although technical grade ammonium hydrogen carbonate also plays the role of hair engaging aperture,
It may the impurity containing insalubrity, should not be used as Drinking Water Filtration medium raw materials for production.
In the present invention, by above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and send out
The netted knot formed after hole agent sintering and charge property, enhance the adsorption to organochlorine.By the phase of this five kinds of raw materials
Mutually coordinate and interact, common so that high for the clearance of the organochlorine in drinking water, effect is good.
In the present invention, it is preferred to also include rectorite powder, the rectorite powder and the ultra-high molecular weight polyethylene powder, work
Property powdered carbon, attapulgite powder, vermiculite power and gas generation agent weight ratio be 50～100:100～300:50～100:100～150:
100～150:50～100, more preferably 60～90:120～280:60～90:110～140:110～140:60～90；It is optimum
Elect 65～85 as:130～270:65～85:120～130:120～130：65～85.
Rectorite (K, Na)x{Al2〔AlxSi4-xO10〕(OH)2}·4H2O, is that dioctahedron Muscovitum and dioctahedron cover soap
The 1 of stone composition:1 regularly interstratified mineral, the place of production are different, and its composition is slightly different, China Hubei (Zhongxiang City, Suixuan County, it is grand in, south
Zhang), Guangxi (moral fort), the ground such as Hunan have such storage, wherein, the rectorite tool found in Permian System In Zhongxiang, hubei rock
Have fairly large outer, the equal very little of various places rectorite mineral reserves.
According to the structural formula that the chemical composition of Zhongxiang City's rectorite is calculated it is：
Mica layer：(Na0.79K0.39Ca0.26)1.14Al4[Si6Al2]8O22
Montmorillonite layer：(Ca0.55Na0.02K0.01Mg0.03)0.61(Al4.1Fe2+ 0.09Mg0.07)4.26[Si6.46Al1.54]8O22
Rectorite is with the cation exchange as montmorillonite, water swellability, slurrying etc.；Have as Muscovitum one again
The high temperature resistant of sample and the performance such as smooth.As the montmorillonite layer in rectorite crystal structure has a layer negative charge, show electrode,
Various inorganic ionss, polar organic molecule and gas molecule can be adsorbed.
In the present invention, the rectorite powder and above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder,
Vermiculite power and gas generation agent can cooperate and interact, and can significantly improve the clearance of the organochlorine in drinking water, effect
More preferably.
In the present invention, it is preferred to also include sepiolite powder, the sepiolite powder and the ultra-high molecular weight polyethylene powder, work
The weight ratio preferably 80～150 of property powdered carbon, attapulgite powder, vermiculite power and gas generation agent:100～300:50～100:100～
150:100～150:50～100；More preferably 90～140:120～280:60～90:110～140:110～140:60～
90；Most preferably 100～130:130～270:65～85:120～130:120～130：65～85.
In the present invention, meerschaum is a kind of clay mineral of magnesium silicate containing Shuifu County of tool layer chain structure.Orthorhombic system
Or monoclinic system, typically in block, earthy or fibrous agrregate.The reason for meerschaum is according to stroke is divided into hot-liquid type sepiolite
With appositional pattern meerschaum two types, commonly referred to α-meerschaum and β meerschaums.Hot-liquid type sepiolite is by hydrothermal solution direct crystallization
Into or formed by volcanic glass, the mineral Jing low temperature hot liquid alterations containing magnesium, often originate in dolomitic limestone, the white clouds matter Dali of rich magnesium
In rock；Appositional pattern sepiolite deposit often with carbonate, clay rock symbiosis, by diagenesis generate.Hot-liquid type sepiolite
In fibre bundle shape, magnesium oxide and dioxide-containing silica are high, and alumina content is low, is Mg-rich sepiolite；Appositional pattern meerschaum is in
Argillaceous, but appoint so in threadiness under the microscope, alumina content is high, and Mg and dioxide-containing silica are low, are rich meerschalminite.
Meerschaum has big specific surface area and pore volume, has passage and hole through total, and meerschaum
There are three class active center in surface：(1) oxygen atom in silicon-oxy tetrahedron layer, oxygen atom provide weak electric charge so as to carry out to inhaling
The absorption of addendum；(2) in edge and the hydrone of magnesium ion coordination, hydrogen bond can be formed with adsorbate；(3) in tetrahedron
Surface, Si-o-Si bond fissions and the Si-OH ion clusters that produce are remaining to compensate by a proton or a polyhydroxylated molecule
Electric charge, these ion clusters are distributed with 5 angstroms of spacing along fiber axis, and its quantity depends on the scarce cave of the size and crystal of fiber.This
A little Si-OH ion clusters can with the interaction of molecules being attracted on meerschaum outer surface, can with some organic reagents
Form covalent bond.These active center cause the absorption property of meerschaum very well, including having for the nonpolar or low pole of absorption
Machine compound.
In the present invention, it is preferred to using the sepiolite powder that particle diameter is 18～150 μm, more preferably using 18～100 μm.Wherein
The little sepiolite powder specific surface area of particle diameter is big, it is easier to play adsorption.
The present invention preferably by the sepiolite powder activation processing, more preferably through acid activation.Specially：Concentration is
0.1～20% sulphuric acid is 20～100 DEG C of 1～15h of immersion treatment in temperature.
In the present invention, by above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and send out
Hole agent, the clearance height cooperating and interacting, causing for the organochlorine in drinking water jointly of rectorite powder, effect
It is good.And cooperating and interacting for above-mentioned substance and sepiolite powder can more improve the clearance of organochlorine in water.
In the present invention, for above-mentioned raw materials source and purity be not particularly limited, it is preferably commercially available.
The present invention has carried out more describing in detail for several raw materials used in step a) in above-mentioned preparation method,
Under the collaboration adduction of this several raw material, the organochlorine in water fully can be adsorbed.
In the present invention, for the mixing of above-mentioned raw materials does not have any restriction, powder body will not can be significantly changed for any
The low shear mixer or agitator of particle diameter and particle size distribution, can preferably be that agitator, the drum-type of blunt impeller blade is mixed
Clutch, spiral agitator etc..For the rotating speed of above-mentioned mixer and agitator is depending on the type of blender, this is not entered
Row is limited, and preferably avoids dust of kicking up.
After above-mentioned raw materials are mixed, the mixture obtained by step a) is suppressed in a mold, sinters, cooled down.
Specifically, mixed powder body is filled in pre-designed mould, it is compacted into by pressurization, pressure is excellent
Choosing is not more than 2MPa, more preferably 0.5～1.5MPa, and is adapted with the material of mould therefor；Mould can by aluminum, cast iron,
Steel or any appropriate material manufacture that can bear relevant pressure and temperature.Can be optional in mould inner surface release agent application
With silicone oil or any other commercially available releasing agent being hardly adsorbed onto on filter medium, it is also possible to use processing release paper.
Sintering temperature is preferably 220 DEG C～250 DEG C, more preferably 225 DEG C～245 DEG C；Sintering time is preferably 100 minutes～130 points
Clock, more preferably 110 minutes～125 minutes；40 DEG C～60 DEG C demouldings are cooled to after sintering.In this manufacturing process, in invention
After people's test many times, the filter medium produced in 220 DEG C～240 DEG C in sintering range is drawn, filter effect
Fruit is more preferably.
Present invention also offers technical scheme below：Organochlorine in a kind of removal drinking water being made up of above-mentioned filter medium
Filter element.
Present invention also offers technical scheme below：A kind of purifier, including above-mentioned filter medium or filter element.
Present invention also offers a kind of water dispenser including above-mentioned purifier.
The present invention under the synergism of above-mentioned raw materials, clearance of the filter medium for preparing to organochlorine in water
Height, method are simple, it is adaptable to the drinking water polluted by which, exempt the injury that element organochlorine is produced to human body, easy to use, into
This is low, additionally, due to filter element is used, is not powder body, so without the need for subsequent treatment, being adapted to home terminal drinking-water and processing.Jing is examined
The filter medium is surveyed to the average removal rate of organochlorine in drinking water more than 99.3%.
In order to further illustrate the present invention, the mistake of the removal drinking water organochlorine that with reference to embodiments present invention is provided
Filter medium is described in detail.
Embodiment 1
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) particle diameter is weighed for 80 μm of acid activation attapulgite powders 100g；
(4) particle diameter is weighed for 50 μm of vermiculite power 100g；
(5) weigh gas generation agent 50g；
(6) above-mentioned five kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(7) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(8) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Embodiment 2
(1) ultra-high molecular weight polyethylene powder 200g is weighed, the ultra-high molecular weight polyethylene is Beijing Orient petrochemical industry
The M-III type products of second auxiliary factory of company limited, its molecular weight are 3,500,000；
(2) the medical activated carbon 75g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 1500m2/g；
(3) particle diameter is weighed for 90 μm of acid activation attapulgite powders 120g；
(4) particle diameter is weighed for 60 μm of vermiculite power 120g；
(5) weigh gas generation agent 75g；
(6) above-mentioned five kinds of powder are put into into 10 minutes mix homogeneously of stirring in spiral agitator；
(7) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.6MPa, it is warm at 230 DEG C
The lower sintering of degree 120 minutes；
(8) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Embodiment 3
(1) ultra-high molecular weight polyethylene powder 300g is weighed, the ultra-high molecular weight polyethylene is Beijing Orient petrochemical industry
The M-IV type products of second auxiliary factory of company limited, its molecular weight are 4,500,000；
(2) the medical activated carbon 100g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm is weighed, it is described medical
The specific surface area of activated carbon is 1200m2/g；
(3) particle diameter is weighed for 100 μm of acid activation attapulgite powders 150g；
(4) particle diameter is weighed for 70 μm of vermiculite power 150g；
(5) weigh gas generation agent 100g；
(6) above-mentioned five kinds of powder are put into into 10 minutes mix homogeneously of stirring in spiral agitator；
(7) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.9MPa, it is warm at 240 DEG C
The lower sintering of degree 130 minutes；
(8) 40 DEG C are naturally cooled to and then the release paper demoulding is used, filter element is obtained final product.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Embodiment 4
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) particle diameter is weighed for 80 μm of acid activation attapulgite powders 100g；
(4) particle diameter is weighed for 50 μm of vermiculite power 100g；
(5) weigh gas generation agent 50g；
(6) weigh rectorite powder 75g；
(7) above-mentioned six kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(8) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(9) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Embodiment 5
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) particle diameter is weighed for 80 μm of acid activation attapulgite powders 100g；
(4) particle diameter is weighed for 50 μm of vermiculite power 100g；
(5) weigh gas generation agent 50g；
(6) particle diameter is weighed for 70 μm of sepiolite powder 120g；
(7) above-mentioned six kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(8) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(9) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Embodiment 6
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) particle diameter is weighed for 80 μm of acid activation attapulgite powders 100g；
(4) particle diameter is weighed for 50 μm of vermiculite power 100g；
(5) weigh gas generation agent 50g；
(6) weigh rectorite powder 75g；
(7) particle diameter is weighed for 70 μm of sepiolite powder 120g；
(8) above-mentioned seven kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(9) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(10) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Comparative example 1
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) particle diameter is weighed for 50 μm of vermiculite power 100g；
(4) weigh gas generation agent 50g；
(5) above-mentioned four kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(6) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(7) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Comparative example 2
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) particle diameter is weighed for 80 μm of acid activation attapulgite powders 100g；
(4) weigh gas generation agent 50g；
(5) above-mentioned four kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(6) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(7) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Comparative example 3
(1) particle diameter is weighed for 89 μm～104 μm ultra-high molecular weight polyethylene powder 100g, the ultra-high molecular weight polyethylene is
The M-I type products of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight are 1,500,000；
(2) the medical activated carbon 50g that the modified particle diameter of hexadecyltrimethylammonium chloride is 74 μm, the medical work are weighed
Property charcoal specific surface area be 800m2/g；
(3) weigh gas generation agent 50g；
(4) above-mentioned three kinds of powder are put into into 10 minutes mix homogeneously of stirring in mechanical agitator；
(5) mixed powder packing is entered in tubular die, is suppressed under the hydraulic pressure of 0.7MPa, it is warm at 220 DEG C
The lower sintering of degree 100 minutes；
(6) 50 DEG C are naturally cooled to and then with the siloxanes uranium releasing agent demoulding, obtains final product filter element.
A diameter of 50mm of the filter element of preparation, length is 200mm.
Embodiment 7
Filter element obtained by Example 1～6 and comparative example 1～3, liner two-layer nonwoven, outsourcing two-layer nonwoven, then
Polypropylene porous web is wrapped in outer layer, filter element two ends are bonded with connection end cap, be positioned in rustless steel or plastic casing, for locating
Reason drinking water, after testing, the filter core is good to the removal effect of the organochlorine in drinking water.As shown in Table 1 and Table 2,1 He of table
Content of the table 2 respectively using the filter element of enforcement 1～6 and the offer of comparative example 1～3 to the organochlorine before and after drinking water treatment.
1 embodiment 1～6 of table is using the content of organic chloride in water after filter element before processing, unit：μg/L
As it can be seen from table 1 the organochlorine gone in eliminating water using the filter element of the present invention achieves good effect, averagely go
Except rate is more than 99.3%, the filter element is especially suitable for the needs of home terminal drinking water treatment.
2 comparative example 1～3 of table is using the content of organic chloride in water after filter element before processing, unit：μg/L
Above to it is provided by the present invention for remove in drinking water filter medium of organochlorine and preparation method thereof and
The filter element being made up of the filter medium is described in detail.The above is only the preferred embodiment of the present invention, should be referred to
Go out, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
1. it is a kind of remove drinking water in organochlorine filter medium preparation method, it is characterised in that comprise the following steps：
A) by sepiolite powder, rectorite powder, ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite powder, vermiculite power and hair engaging aperture
Agent mixes, and obtains mixture, the sepiolite powder, rectorite powder, ultra-high molecular weight polyethylene powder, activated carbon powder, attapulgite
The weight ratio of powder, vermiculite power and gas generation agent is 80～150：50～100:100～300:50～100:100～150:100～
150:50～100；
B) mixture obtained by step a) is suppressed in a mold, sinters, is cooled down.
2. a kind of filter medium for removing organochlorine in drinking water, it is characterised in that removal according to claim 1
In drinking water, the preparation method of the filter medium of organochlorine is obtained.
3. a kind of filter element, it is characterised in that by the filter medium structure for removing organochlorine in drinking water described in claim 2
Into.
4. a kind of purifier, it is characterised in that including the filtration for removing organochlorine in drinking water described in claim 2
Filter element described in medium or claim 3.
5. a kind of water dispenser, it is characterised in that including the purifier described in claim 4.
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| CN105645992B (en) * | 2016-01-17 | 2018-08-14 | 济南大学 | It is a kind of to prepare compound vermiculite deposit substance filtrate using discarded warm paste |
| CN105771931A (en) * | 2016-04-21 | 2016-07-20 | 苏州云舒新材料科技有限公司 | Reusable sewage treatment adsorbent |
| CN105833836B (en) * | 2016-05-24 | 2019-02-19 | 苏州贝达新材料科技有限公司 | A kind of odor absorber and preparation method and application |
| CN106694059A (en) * | 2017-01-23 | 2017-05-24 | 福建海西滤水龙头研究中心有限公司 | Ion exchange filter element and manufacturing method thereof |
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| CN102462997A (en) * | 2011-10-20 | 2012-05-23 | 常州亚环环保科技有限公司 | Structural filter core for removing carbon tetrachloride from drinking water and preparation method thereof |
| CN103007772A (en) * | 2012-12-18 | 2013-04-03 | 中国计量学院 | Preparation method of hollow fiber membrane for detecting organochlorine pesticide residue |
| CN104028250A (en) * | 2014-06-24 | 2014-09-10 | 潘峰 | Filtering medium for removing aluminum in drinking water, filter element and method for preparing filtering medium |
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| CN103203179B (en) * | 2013-03-19 | 2016-04-20 | 王映璋 | A kind of preparation method of many micropores negative ion far-infrared electric field biocompatible filler |
| CN103341288B (en) * | 2013-07-23 | 2015-08-12 | 中电信嘉（北京）环保科技有限公司 | For removing filter medium of organo-tin compound in drinking water and preparation method thereof |
| CN104307496B (en) * | 2014-11-07 | 2016-11-30 | 潘峰 | For removing the filter medium of Perchlorate in Drinking Water, filter element and preparation method |
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| CN102462997A (en) * | 2011-10-20 | 2012-05-23 | 常州亚环环保科技有限公司 | Structural filter core for removing carbon tetrachloride from drinking water and preparation method thereof |
| CN103007772A (en) * | 2012-12-18 | 2013-04-03 | 中国计量学院 | Preparation method of hollow fiber membrane for detecting organochlorine pesticide residue |
| CN104028250A (en) * | 2014-06-24 | 2014-09-10 | 潘峰 | Filtering medium for removing aluminum in drinking water, filter element and method for preparing filtering medium |
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